sweetachkaor7mc4 sweetachkaor7mc4

13-11-2019
Physics

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The temperature in a room is 56°C what would be the velocity of a soundwave be at this temperature ?

A. 1856.2 Hz
B. 265.2 Hz
C. 495.2 Hz
D. 364.6 Hz

Respuesta :

Hania12 Hania12

15-11-2019

Answer:

D. [tex]364.6ms^{-1}[/tex]

Explanation:

The speed of sound in dry air is given approximately by

[tex]velocity_(new)=velocity(sound)+0.6*T_(Celcius)\\=331.4+0.6*56\\=364.6ms^{-1}[/tex]

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